1490620925 has 12 divisors (see below), whose sum is σ = 1850233140. Its totient is φ = 1191294720.

The previous prime is 1490620921. The next prime is 1490620951. The reversal of 1490620925 is 5290260941.

It can be written as a sum of positive squares in 6 ways, for example, as 4826809 + 1485794116 = 2197^2 + 38546^2 .

It is not a de Polignac number, because 1490620925 - 2² = 1490620921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490620921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4322 + ... + 54771.

It is an arithmetic number, because the mean of its divisors is an integer number (154186095).

Almost surely, 2^1490620925 is an apocalyptic number.

It is an amenable number.

1490620925 is a deficient number, since it is larger than the sum of its proper divisors (359612215).

1490620925 is a wasteful number, since it uses less digits than its factorization.

1490620925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60112 (or 60107 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1490620925 is about 38608.5602554667. The cubic root of 1490620925 is about 1142.3233945683.

The spelling of 1490620925 in words is "one billion, four hundred ninety million, six hundred twenty thousand, nine hundred twenty-five".